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Tue, 13 Oct 2026 07:15:23 -0700 (PDT) X-Received: by 2002:a05:6122:8711:b0:5e6:6546:84c7 with SMTP id 71dfb90a1353d-5e91f339ea0mr2872685e0c.2.1791900923323; Tue, 13 Oct 2026 07:15:23 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5bcdde913d0sm3740707e87.26.2026.10.13.07.15.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 13 Oct 2026 07:15:22 -0700 (PDT) Message-ID: <720f7b8f-29bc-4b6a-85f1-34df7bd5cca1@oss.qualcomm.com> Date: Tue, 13 Oct 2026 16:15:19 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/3] arm64: dts: qcom: sm8650: Add watchdog node To: Neil Armstrong , Wim Van Sebroeck , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rajendra Nayak , Bjorn Andersson , Konrad Dybcio , Abel Vesa Cc: linux-arm-msm@vger.kernel.org, linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261002-topic-sm8650-deckard-watchdog-v1-0-7d7f7d71d88a@linaro.org> <20261002-topic-sm8650-deckard-watchdog-v1-2-7d7f7d71d88a@linaro.org> <8b331c92-ce18-4886-ba87-77b6156cc9a1@linaro.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <8b331c92-ce18-4886-ba87-77b6156cc9a1@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: mHobsfg9xxa7dPiRA7n3kdX5X1zFvJuK X-Proofpoint-ORIG-GUID: mHobsfg9xxa7dPiRA7n3kdX5X1zFvJuK X-Proofpoint-Spam-Info: AW1haW4tMjYxMDEzMDA1NSBTYWx0ZWRfX6/qmP5sFse6N tDVonpAA75JanY+1Ye0e2rSca8TQcOjJ2aGhLq+kpn8blCcWTtOGUFMsEAhs56tQXGY+nk4Kp+3 BHAbApZGQ2N0ZkIWLNr83ah+04OV9vE= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDEzMDA1NSBTYWx0ZWRfX9a708LEXoiOx b6PW3XBx9ZsHYI1X7iGr7hAUkBKisSM9WL2zKLIz6EvEQ1vrnmsmchACqh9tA+6GYTywykdfJOR 9bWltiItfuwV9QP4vNzt5Zoylhrd1ZtSOAl0D0iYnSFz3fIR/+sU70pFlth6WGTSfhnWrkvFPkU HbaFLSkvj64NadVl/zBPl+QMYdJ1GmJn3eD+BuZGCEpKIl+20YLfVYJRccCUQ4YYTXfeIQU2k84 qrQf84QEKc6fP00JcJlkCPsFW6rkN3RUQiNsy9bdDzY7fFKKscJSfbBlFZcXsgn97nO2pbM1xjD KX2HK1ffL4WNx3HaUaX60A+xeuswQfoIdRCFqoIrNih3QCf5vGI2vwi36W4738g0SBXTppj5WPe Ifmv8YmaTmKs3y5Zcz1r9yhpftgzCq5DDXd68vcYTCoUJ9Frj7X4IgwlaalpkXJd89OiWf4Esos 9L6AVDTRsnVSMzT5epw== X-Authority-Analysis: v=2.4 cv=PMGaavqC c=1 sm=1 tr=0 ts=6ace3cfc cx=c_pps a=5HAIKLe1ejAbszaTRHs9Ug==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=A_RqQ9NLQzPOhAJlhEYA:9 a=QEXdDO2ut3YA:10 a=gYDTvv6II1OnSo0itH1n:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-13_01,2026-10-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 spamscore=0 phishscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610130055 On 10/13/26 4:09 PM, Neil Armstrong wrote: > On 10/13/26 11:21, Konrad Dybcio wrote: >> On 10/2/26 11:45 AM, Neil Armstrong wrote: >>> Add a node for the watchdog on the SM8650 SoC, the node >>> is marked as reserved since on most platforms the Watchdog >>> is owned by the Gunyah Hypervisor. >>> >>> Signed-off-by: Neil Armstrong >>> --- >> >> Do you have a HDK or something with gunyah at hand? A couple months >> ago qcom_scm_gunyah_wdt_init() was introduced to handle this - >> could you enable the node and give it a shot if you have one? > > Why enabling the node ? the qcom_scm_gunyah_wdt_init() will bail out > if the node is enabled. Here we only want the node to be enabled when > we are in EL1 without Gunyah. Right, sorry, I misremembered and then misread Reviewed-by: Konrad Dybcio Konrad